Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

First Quarter 58%

13:05

03:45

19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Good
09 Good
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 OK

Sun - Rise: 05:37, Set: 20:16, Transit: 12:57. Moon - Rise: 13:05, Set: 03:45. Civil Dark: 20:54 - 04:59. Nautical Dark: 21:44 - 04:09. Astro Dark: 22:44 - 03:07

Total Clouds (% Sky Obscured)

0
0
0
0
11
1
0
0
66
75
99
73
54
2
13
23
63
93
100
100
96
38
45
42

Low Clouds (% Sky Obscured)

0
0
0
0
11
0
0
0
61
60
70
73
52
0
0
0
0
0
0
3
10
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
39
87
100
74
22
39
16

High Clouds (% Sky Obscured)

0
0
0
0
3
1
0
0
12
56
96
25
54
2
13
23
63
93
100
100
46
9
38
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
42
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
7
5
4
3
3
3
3
4
4
4
4
5
5
5
5
5
5
4
4
4
6
13
12

Chance of Frost

Temperature (°C)

13
10
8
6
5
5
5
4
4
3
3
3
5
8
11
13
15
16
17
18
18
18
14
13

Feels Like (°C)

13
10
7
6
5
4
4
4
3
2
1
1
3
6
9
11
13
14
15
15
16
17
12
10

Dew Point (°C)

9
7
4
3
2
2
2
2
2
2
2
1
2
4
5
6
6
6
7
7
7
7
9
8

Relative Humidity (%)

76
77
78
79
82
82
85
86
89
89
89
88
83
75
67
61
54
50
50
50
48
49
68
70

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1021
1022
1021
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

385
381
380
374
368
365
361
361
362
363
364
361
360
361
363
363
368
369
372
375
378
378
378
377

Saturday 25

Waxing Gibbous 68%

14:27

03:59

19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:35, Set: 20:17, Transit: 12:57. Moon - Rise: 14:27, Set: 03:59. Civil Dark: 20:56 - 04:56. Nautical Dark: 21:46 - 04:06. Astro Dark: 22:48 - 03:03

Total Clouds (% Sky Obscured)

21
21
56
56
69
70
72
72
88
89
62
78
87
91
82
81
95
88
77
34
54
77
98
100

Low Clouds (% Sky Obscured)

0
21
56
56
69
70
72
72
84
84
62
78
81
77
73
66
41
28
11
7
0
0
0
1

Medium Clouds (% Sky Obscured)

11
2
6
17
14
27
25
3
0
0
0
0
3
45
24
27
30
46
62
26
26
57
33
22

High Clouds (% Sky Obscured)

1
0
0
0
0
0
2
9
46
35
3
21
62
63
57
69
91
88
77
34
27
27
89
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
10
9
9
9
8
7
7
7
7
6
6
6
8
8
8
7
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

11
9
8
7
7
7
7
7
6
7
6
6
7
8
9
10
11
12
13
14
15
15
14
13

Feels Like (°C)

8
7
6
6
6
6
6
5
5
3
4
5
5
5
6
7
9
10
11
12
12
13
12
11

Dew Point (°C)

7
6
5
5
5
5
5
5
5
5
5
5
6
6
5
6
6
6
7
7
8
10
9
9

Relative Humidity (%)

77
80
84
85
87
90
91
91
91
91
93
93
90
82
78
74
70
66
63
63
64
71
73
72

Pressure (mb)

1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026

Ozone (du)

376
375
375
375
375
375
374
375
375
374
372
371
369
368
369
369
368
368
369
370
370
368
368
370

Sunday 26

Waxing Gibbous 78%

15:46

04:09

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:33, Set: 20:19, Transit: 12:57. Moon - Rise: 15:46, Set: 04:09. Civil Dark: 20:58 - 04:54. Nautical Dark: 21:49 - 04:03. Astro Dark: 22:52 - 02:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
80
81
79
59
94
36
48
70
59
57
73
66
49
38
28

Low Clouds (% Sky Obscured)

1
1
1
1
1
2
2
10
15
15
15
20
25
20
30
48
63
43
42
51
41
31
24
16

Medium Clouds (% Sky Obscured)

15
31
51
48
32
38
71
68
88
80
81
79
59
6
0
0
11
23
26
73
66
49
38
28

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
71
44
65
59
66
6
0
0
0
0
1
2
2
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
3
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
1
2
1
2
1
2
3
6
5
3
15
51
74
90
95
95
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1
0.9
0.6

Wind Speed/Direction (mph)

8
6
5
6
8
8
7
7
6
6
5
5
4
5
5
7
8
9
9
9
9
9
10
10

Chance of Frost

Temperature (°C)

11
10
10
10
9
9
8
8
8
8
8
7
9
10
12
13
15
16
16
17
15
14
14
13

Feels Like (°C)

8
7
7
7
7
6
6
5
6
5
5
5
6
7
9
11
13
14
16
17
15
13
12
12

Dew Point (°C)

8
8
8
8
8
7
7
6
5
5
4
4
5
6
7
8
9
10
10
10
11
11
11
11

Relative Humidity (%)

83
88
88
84
91
90
88
87
81
78
77
79
75
74
71
71
69
68
66
65
75
82
82
87

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1026
1026
1026
1026
1026
1026
1025
1025
1026

Ozone (du)

369
369
369
372
373
374
375
376
377
375
374
376
380
382
386
389
391
391
393
397
401
402
404
405

Monday 27

Waxing Gibbous 86%

17:02

04:19

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 Bad
18 Bad

Sun - Rise: 05:31, Set: 20:21, Transit: 12:57. Moon - Rise: 17:02, Set: 04:19. Civil Dark: 21:00 - 04:52. Nautical Dark: 21:51 - 04:00. Astro Dark: 22:55 - 02:55

Total Clouds (% Sky Obscured)

36
44
60
74
47
59
64
74
81
86
99
99
98
97
95
94
89
90
57
42
36
42
49
58

Low Clouds (% Sky Obscured)

30
39
51
65
47
59
64
74
81
86
99
98
96
94
92
88
84
80
57
42
36
42
49
58

Medium Clouds (% Sky Obscured)

36
44
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

74
49
21
10
4
1
0
0
0
1
0
0
2
11
2
12
6
5
4
3
0
1
1
0

Precipitation Amount (mm)

0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
9
8
8
8
8
9
9
9
9
9
9
10
11
12
12
13
14
13
13
13
13
12

Chance of Frost

Temperature (°C)

11
11
10
9
8
8
7
7
7
8
8
9
9
10
10
10
11
11
11
12
12
12
11
11

Feels Like (°C)

9
8
7
6
6
7
6
6
6
6
6
6
7
6
7
7
7
8
7
8
9
9
9
8

Dew Point (°C)

10
10
9
7
7
7
7
7
7
7
8
8
8
9
8
9
8
9
8
7
7
7
7
7

Relative Humidity (%)

95
93
91
90
93
96
98
98
98
98
98
96
95
93
87
88
84
83
79
72
71
72
76
78

Pressure (mb)

1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

410
418
423
428
433
436
436
437
434
429
425
421
415
412
410
409
407
404
400
398
396
395
393
392

Tuesday 28

Waxing Gibbous 92%

18:18

04:28

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:29, Set: 20:23, Transit: 12:57. Moon - Rise: 18:18, Set: 04:28. Civil Dark: 21:02 - 04:50. Nautical Dark: 21:54 - 03:58. Astro Dark: 22:59 - 02:51

Total Clouds (% Sky Obscured)

54
51
51
57
63
77
86
82
80
85
86
88
96
93
90
87
85
84
86
88
92
88
85
81

Low Clouds (% Sky Obscured)

54
51
51
57
63
77
80
76
71
74
79
83
94
91
88
87
85
84
86
88
77
74
66
59

Medium Clouds (% Sky Obscured)

0
0
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
4
10
3
8
4
3
1
2
2
1
2
2
2
2
2
3
22
37
40
33
26
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
0
0
0
0
0
1
1
6
1
0
3
2
0
2
2
0
1
2
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
10
9
8
8
8
9
11
11
10
11
10
12
12
13
14
14
14
14
14
14
14
13
13

Chance of Frost

Temperature (°C)

10
9
8
8
8
8
8
8
8
8
8
8
8
9
10
10
11
11
11
11
11
11
11
10

Feels Like (°C)

7
6
7
6
6
5
5
4
3
4
3
4
3
4
4
4
4
4
5
8
7
7
7
6

Dew Point (°C)

7
7
7
7
7
7
7
6
5
5
5
5
5
6
6
7
7
7
7
7
7
7
8
8

Relative Humidity (%)

84
90
95
96
96
96
96
87
82
82
79
82
79
78
77
77
76
75
73
75
76
77
81
83

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1028
1029
1029
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

390
389
389
390
390
389
388
388
387
386
384
383
384
387
389
392
390
389
388
385
383
381
381
381

Wednesday 29

Waxing Gibbous 97%

No Rise

04:38

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:27, Set: 20:25, Transit: 12:57. Moon - Rise: No Rise, Set: 04:38. Civil Dark: 21:04 - 04:47. Nautical Dark: 21:56 - 03:55. Astro Dark: 23:03 - 02:47

Total Clouds (% Sky Obscured)

82
84
86
88
92
95
92
94
94
77
61
46
59
75
92
91
89
85
82
76
71
66
65
64

Low Clouds (% Sky Obscured)

60
57
58
51
47
43
47
48
30
21
17
17
16
31
38
40
44
47
48
50
49
35
21
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
24
36
31
27
21
19
20
21
24
23
20

High Clouds (% Sky Obscured)

20
25
30
36
43
45
44
43
42
33
21
13
21
25
28
29
34
35
26
27
28
37
50
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
11
11
11
11
10
9
8
7
6
6
7
8
9
9
10
11
11
12
12
11
10

Chance of Frost

Temperature (°C)

10
10
9
9
8
8
8
8
8
8
9
9
9
11
12
13
14
15
16
16
16
16
15
14

Feels Like (°C)

6
5
5
5
5
4
4
4
3
4
4
4
4
7
7
8
8
8
8
13
13
12
12
11

Dew Point (°C)

8
8
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
8
9

Relative Humidity (%)

85
87
87
88
90
90
91
91
91
93
90
88
85
80
75
69
66
61
57
58
58
59
63
69

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1023

Ozone (du)

381
381
382
383
383
384
384
384
383
382
382
381
381
380
378
376
376
376
375
374
373
371
369
368

Thursday 30

Waxing Gibbous 99%

19:34

04:50

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:25, Set: 20:26, Transit: 12:57. Moon - Rise: 19:34, Set: 04:50. Civil Dark: 21:06 - 04:45. Nautical Dark: 21:59 - 03:52. Astro Dark: 23:07 - 02:43

Total Clouds (% Sky Obscured)

68
76
88
86
88
89
93
92
95
97
98
100
99
97
95
79
63
49

Low Clouds (% Sky Obscured)

5
2
0
1
1
2
3
4
5
18
42
59
75
83
95
79
58
37

Medium Clouds (% Sky Obscured)

22
27
51
57
62
63
67
75
76
84
91
100
99
97
95
73
47
22

High Clouds (% Sky Obscured)

59
58
57
53
56
60
53
47
41
61
80
100
92
83
75
50
25
0

ISS Passover

Visibility (miles)

9
9
9
9
7
5
3
5
7
9
7
4
2
4
7
9
7
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
1
0
12
28
45
60
70
77
95
95
95
95
95
95
84
75
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.8
1
0.8
0.8
0.8
0.7
0.5
0.4
0.5

Wind Speed/Direction (mph)

9
8
6
6
5
5
4
2
2
4
4
5
5
5
5
6
8
11

Chance of Frost

Temperature (°C)

13
12
11
10
10
10
10
10
10
10
10
10
10
11
12
12
13
14

Feels Like (°C)

11
10
11
11
11
10
10
10
10
11
11
11
11
10
11
11
11
12

Dew Point (°C)

9
9
8
8
8
9
10
9
10
10
10
10
10
10
11
11
11
12

Relative Humidity (%)

74
77
83
87
88
90
95
95
96
96
98
96
98
96
93
90
87
84

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

366
365
365
364
364
363
363
363
363
364
368
372
377
384
391
399
407
415

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 24/04/26 19:52:35. Forecast: 24/04/26 to 30/04/26. Timezone: UTC+1.00